Originally Posted by Joe Camel
Your fermented beer is saturated with Carbon Dioxide gas, even though it tastes flat. The pellet hops you added caused the gas to come out of solution violently (read: nucleation sites, mentos in diet coke). If you're going to dry hop, put the pellets in the secondary and rack onto them.
+1 agree with the nucleation of the CO2 from the hops.
Fermenting: Oud Bruin, American Brown, Ginger Mead
Bottled: Super RIS, Imperial Stout, Raspberry&Blueberry Mead, Belgian Strong Ale, Oak Aged Rye Barley Wine
Kegged: APA, Schwarz Braggot, Irish Red, Berliner Weisse
Gallons Brewed in 2012: 76